Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem era o treinador com um registro ajustado real de 0-19?
 ###Tabelas: CREATE TABLE vacated_and_forfeited_games (vacated_and_forfeited_games_id AUTO_INCREMENT PRIMARY KEY, Season INT, Coach VARCHAR, Record as played VARCHAR, Actual adjusted record VARCHAR, Regular season Vacated VARCHAR) CREATE TABLE national_league_one_table (national_league_one_table_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Won INT, Drawn INT, Lost INT, Pts For INT, Pts Agst INT, B.P. INT, Points INT) CREATE TABLE round_robin_results (round_robin_results_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Wins VARCHAR, Losses VARCHAR, Points VARCHAR, WPct. VARCHAR, G.F. VARCHAR, G.A. VARCHAR, Assists VARCHAR, Penalties VARCHAR, P.I.M. VARCHAR) CREATE TABLE important_originating_express_trains (important_originating_express_trains_id AUTO_INCREMENT PRIMARY KEY, Train No. VARCHAR, Train Name VARCHAR, Destination VARCHAR, Category VARCHAR, Frequency VARCHAR) CREATE TABLE current_fleet_roster (current_fleet_roster_id AUTO_INCREMENT PRIMARY KEY, Builder VARCHAR, Model VARCHAR, Length (ft/m) VARCHAR, Order Year VARCHAR, Fuel Propulsion VARCHAR, Fleet Series (Quantity) VARCHAR)  
SELECT Coach FROM vacated_and_forfeited_games WHERE Actual adjusted record = 0–19